:root{--primary: #3B82F6;--primary-light: #60A5FA;--primary-dark: #2563EB;--accent: #10B981;--accent-light: #34D399;--bg: #0d1117;--bg-elevated: #161b22;--card-bg: #161b22;--card-bg-solid: #161b22;--card-bg-hover: #1f242c;--card-border: #30363d;--card-border-hover: #8b949e;--text: #c9d1d9;--text-secondary: #8b949e;--text-muted: #6e7681;--success: #2ea043;--success-bg: rgba(46, 160, 67, .1);--warning: #d29922;--warning-bg: rgba(210, 153, 34, .1);--danger: #f85149;--danger-bg: rgba(248, 81, 73, .1);--info: #58a6ff;--info-bg: rgba(88, 166, 255, .1);--sidebar-width: 250px;--radius: 8px;--radius-sm: 6px;--shadow: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .24);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--transition: all .15s ease-in-out}[data-theme=light]{--primary: #2563EB;--primary-light: #3B82F6;--primary-dark: #1D4ED8;--accent: #059669;--accent-light: #10B981;--bg: #f3f4f6;--bg-elevated: #ffffff;--card-bg: #ffffff;--card-bg-solid: #ffffff;--card-bg-hover: #f9fafb;--card-border: #e5e7eb;--card-border-hover: #d1d5db;--text: #111827;--text-secondary: #4b5563;--text-muted: #9ca3af;--success: #16a34a;--success-bg: #dcfce7;--warning: #d97706;--warning-bg: #fef3c7;--danger: #dc2626;--danger-bg: #fee2e2;--info: #2563eb;--info-bg: #dbeafe;--shadow: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-lg: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--card-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.admin-layout{display:flex;min-height:100vh;background:var(--bg)}.admin-layout.collapsed{--sidebar-width: 70px}.sidebar{width:var(--sidebar-width);background:var(--card-bg);border-right:1px solid var(--card-border);display:flex;flex-direction:column;padding:1rem 0 1.5rem;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto;transition:width .2s ease,padding .2s ease}.sidebar.collapsed{width:70px;padding:1rem 0}.sidebar.collapsed .sidebar-header{padding:0 .5rem 1rem!important;flex-direction:column;gap:.5rem}.sidebar.collapsed .sidebar-nav{padding:.5rem .4rem;align-items:center}.sidebar.collapsed .sidebar-link{justify-content:center;padding:.6rem;width:100%}.sidebar.collapsed .sidebar-footer{padding:.5rem .4rem}.sidebar.collapsed .sidebar-logout{justify-content:center;padding:.6rem}.sidebar-logo{padding:0 1.5rem 1.5rem;font-size:1.1rem;font-weight:700;color:var(--text);letter-spacing:-.02em;border-bottom:1px solid var(--card-border);margin-bottom:.5rem}.sidebar-nav{display:flex;flex-direction:column;gap:2px;padding:.5rem .75rem;flex:1}.sidebar-link{display:flex;align-items:center;gap:.75rem;padding:.6rem .8rem;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;font-size:.85rem;font-weight:500;transition:var(--transition);position:relative}.sidebar-link:hover{color:var(--text);background:var(--card-bg-hover)}.sidebar-link.active{color:var(--primary);background:var(--info-bg);font-weight:600}.sidebar-link span:first-child{font-size:1rem;width:20px;text-align:center;flex-shrink:0}.sidebar-footer{padding:1rem 1.5rem;border-top:1px solid var(--card-border);margin-top:auto}.sidebar-logout{display:flex;align-items:center;gap:.75rem;width:100%;padding:.6rem .8rem;background:none;border:1px solid var(--card-border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-size:.85rem;font-weight:500;transition:var(--transition);font-family:inherit}.sidebar-logout:hover{color:var(--danger);border-color:var(--danger)}.main-content{margin-left:var(--sidebar-width);flex:1;padding:2rem 2.5rem;min-height:100vh}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem;padding-bottom:1.25rem;border-bottom:1px solid var(--card-border)}.page-header h1{font-size:1.4rem;font-weight:700;letter-spacing:-.01em;color:var(--text)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:1.25rem 1.5rem;transition:var(--transition);position:relative}.stat-card:hover{border-color:var(--card-border-hover);box-shadow:var(--shadow)}.stat-card .label{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.stat-card .value{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.25rem;color:var(--text)}.stat-card .change{font-size:.75rem;font-weight:600}.stat-card .change.up{color:var(--success)}.stat-card .change.down{color:var(--danger)}.data-table{width:100%;border-collapse:collapse}.data-table thead{background:var(--bg)}.data-table th{padding:.75rem 1rem;font-size:.7rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;text-align:left;border-bottom:1px solid var(--card-border);white-space:nowrap}.data-table td{padding:.75rem 1rem;font-size:.85rem;color:var(--text-secondary);border-bottom:1px solid var(--card-border)}.data-table tbody tr:hover{background:var(--card-bg-hover)}.data-table tbody tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;padding:.2rem .6rem;border-radius:4px;font-size:.7rem;font-weight:600;letter-spacing:.02em}.badge-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(46,160,67,.2)}.badge-warning{background:var(--warning-bg);color:var(--warning);border:1px solid rgba(210,153,34,.2)}.badge-danger{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(248,81,73,.2)}.badge-info{background:var(--info-bg);color:var(--info);border:1px solid rgba(88,166,255,.2)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;font-family:inherit;cursor:pointer;transition:var(--transition);border:1px solid transparent;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--card-bg);color:var(--text);border-color:var(--card-border)}.btn-secondary:hover{background:var(--card-bg-hover);border-color:var(--card-border-hover)}.btn-danger{background:var(--card-bg);color:var(--danger);border-color:var(--card-border)}.btn-danger:hover{background:var(--danger-bg);border-color:var(--danger)}.btn-success{background:var(--card-bg);color:var(--success);border-color:var(--card-border)}.btn-success:hover{background:var(--success-bg);border-color:var(--success)}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.85rem;font-weight:500;color:var(--text);margin-bottom:.4rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.6rem .8rem;background:var(--bg);border:1px solid var(--card-border);border-radius:var(--radius-sm);color:var(--text);font-size:.85rem;font-family:inherit;outline:none;transition:var(--transition)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;animation:fadeIn .15s ease}.modal{background:var(--card-bg-solid);border:1px solid var(--card-border);border-radius:var(--radius);padding:1.5rem;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal h2{font-size:1.1rem;font-weight:600;margin-bottom:1rem;color:var(--text)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chart-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:1.5rem;transition:var(--transition)}.chart-card:hover{border-color:var(--card-border-hover)}.chart-card .label{font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;margin-bottom:1rem}@media(max-width:1024px){.sidebar{width:64px}.sidebar-logo{font-size:0;padding:0 0 1.5rem;text-align:center}.sidebar-logo:after{content:"D";font-size:1.2rem;font-weight:700;color:var(--primary)}.sidebar-link span:last-child{display:none}.sidebar-link{justify-content:center;padding:.6rem}.sidebar-link.active:before{display:none}.sidebar-footer{display:none}.main-content{margin-left:64px;padding:1.5rem}}@media(max-width:640px){.sidebar{display:none}.main-content{margin-left:0;padding:1rem}.stats-grid{grid-template-columns:1fr}.page-header{flex-direction:column;gap:1rem;align-items:flex-start}}